{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment", "Treatment.Time_elapsed", "Subject.Gender", "Combination.Drug", "Treatment.Dosage", "Subject", "Effect", "Subject.Population", "Treatment.Freq", "Subject.Age", "Subject.Disorder", "Treatment.Drug", "Treatment.Disorder", "Treatment.Duration"]}], "input": "To the best of our knowledge, corneoscleral melting in the first postoperative week after a single intraoperative application of mitomycin C has not been reported."}
{"adverse event": [{"Treatment": "a single intraoperative application of mitomycin C", "Treatment.Time_elapsed": "NAN", "Subject.Gender": "NAN", "Combination.Drug": "NAN", "Treatment.Dosage": "a single intraoperative application", "Subject": "NAN", "Effect": "corneoscleral melting", "Subject.Population": "NAN", "Treatment.Freq": "NAN", "Subject.Age": "NAN", "Subject.Disorder": "NAN", "Treatment.Drug": "mitomycin C", "Treatment.Disorder": "NAN", "Treatment.Duration": "NAN"}]}